B.O.A.T.S.
Used when you're trying to make a story sound real, even though it's mostly a load of garbage. It's like a half-truth with a side of lies.
"I saw the principal eat a whole cake, B. O. A. T. S.!", said by someone who probably ate the cake too.
"The school is haunted, B. O. A. T. S.!", said by someone who probably saw a ghost in the bathroom.
"The principal's dog is a superhero, B. O. A. T. S.!", said by someone who might need a superhero.